messing around with the settings page.
Added unit tests for the displayname function
Unit tests for check_if_additional_name_fields_are_being_used
update to the fullname function
addition of additional username fields, relies on username check function
update of the table library for name sorting
added backup for new user table fields
added additional name fields to required fields in user_picture class
webservice update to accomodate new user fields
update of user index.php with the sql statement
update to coursecatlib to improve user sql